MGate MB3270 Series vulnerabilities

2 known vulnerabilities in MGate MB3270 Series from Moxa. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.6 High severity

  MGate MB3170 Series: Improper Verification of Cryptographic Signature

  CVE-2026-86326Oct 2, 2026Moxa

  An improper verification of cryptographic signature vulnerability exists in protocol gateways because the device does not properly verify the cryptographic authenticity of firmware images before installation. An attacker with high privileges and access to the

• 9.4 Critical severity

  MGate MB3170 Series: Stack-based Buffer Overflow

  CVE-2026-86325Oct 2, 2026Moxa

  A stack-based buffer overflow vulnerability exists in protocol gateways' account management interface. The vulnerability is caused by insufficient length validation of the `account_name` parameter when processing account management requests. An attacker authen